Question:1+11−121+\frac{1} {1-\frac{1}{2}}1+1−211 = A1/2B3C2D1Answer: B. 3Explanation:1−121-\frac{1}{2}1−21 = 1/2 112\frac{1} {\frac{1}{2}}211 = 2 1 + 2 = 3